Using dateutil:
import dateutil.parser as parser
text="Thu, 16 Dec 2010 12:14:05 +0000"
date = parser.parse(text)
print(date.isoformat())
# 2010-12-16T12:14:05+00:00
Using dateutil:
import dateutil.parser as parser
text="Thu, 16 Dec 2010 12:14:05 +0000"
date = parser.parse(text)
print(date.isoformat())
# 2010-12-16T12:14:05+00:00